Open to Backend & Full-Stack Engineering Roles

Engineering resilient microservices & scalable cloud systems.

Backend Engineer with 1+ years of production experience building high-throughput REST APIs and distributed architectures using Python (FastAPI, Django), Java (Spring Boot), and AWS Cloud. Proven track record of boosting SQL query performance by 50% and shipping live client applications.

Explore Shipped Work ↓
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+50% Speedup
SQL Query Optimization
V Premnath - Backend Engineer
V Premnath
Backend & Cloud Systems Engineer
● Live
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3+ Live Apps
Google Play & Web
3+ Live Apps
GolfNex (Play Store), abiozen.com, aroscompliance.com
10+ APIs Integrated
Payments, OAuth2, SMS, Analytics & Webhooks
6+ Client Deployments
At Adifice Technologies across e-commerce & enterprise
8.84 / 10 CGPA
B.Tech Computer Science Engineering @ RGUKT
Production Portfolio

Applications & Scalable Systems

Shipped backend microservices, enterprise SaaS platforms, and client applications running in production environments.

ENTERPRISE SYSTEM ARCHITECTURE

PharmaEase — Multi-Tenant Pharmacy System

Architected a high-concurrency multi-tenant pharmacy backend with 5+ user roles (Admin, Pharmacist, Doctor, Cashier, Customer) and granular RBAC. Implemented complex transactional order routing, normalized schemas, and OAuth2 security.

  • Engineered global cart management with real-time inventory locking and intelligent order splitting.
  • Integrated Google OAuth2 authentication alongside JWT refresh-token rotation.
  • Applied SOLID object-oriented design patterns and 3NF normalization for high-scale queries.
5+ Roles Granular RBAC
100% ACID Order Splitting
<30ms Auth Handshake
Java Spring Boot MySQL JWT OAuth2 REST APIs
LIVE ON GOOGLE PLAY STORE

GolfNex — Sports & Golf Platform

Developed and delivered the core backend REST APIs for GolfNex, a live sports companion app available on Google Play. Built scalable game-matching logic, user handicaps, booking reservations, and real-time push events.

  • Delivered high-availability FastAPI microservices serving thousands of active golfers.
  • Integrated automated payment gateways and SMS/Push notifications.
  • Deployed with Docker containerization and AWS cloud infrastructure.
Play Store Live Production
99.9% Uptime SLA
FastAPI Async Engine
Python FastAPI AWS (EC2, S3, RDS) Docker Google Play Live
COMMERCIAL BIOTECH PLATFORM

abiozen.com — Biotech / Pharma Platform

Contributed to the backend architecture and API delivery for abiozen.com, powering commercial catalog management, multi-tier inquiry routing, and secure data access workflows for life-sciences clients.

  • Engineered custom Django REST Framework endpoints for fast catalog searches and filtering.
  • Optimized database indexes, cutting catalog query response times by 45%.
  • Implemented automated unit & integration testing to ensure zero regression in production.
-45% Query Latency
Live abiozen.com
Python Django REST PostgreSQL CI/CD
ENTERPRISE COMPLIANCE SUITE

Aros Compliance — Enterprise Governance Platform

Engineered the compliance audit tracking backend, rule evaluation engines, and secure authorization systems for aroscompliance.com, ensuring enterprise regulatory data integrity and strict multi-tenant isolation.

  • Built audit logging pipelines tracking full lifecycle of compliance attestations.
  • Integrated Playwright automated end-to-end regression suites.
  • Designed multi-tenant data partitioning guaranteeing tenant data isolation.
Multi-Tenant Full Isolation
Live aroscompliance.com
Python FastAPI Multi-Tenant RBAC Playwright Docker
CONSUMER & SOCIAL APPS

Linkabl, PlayNexa & Favly Suite

Delivered full-stack backend integrations, communication microservices, and dynamic feed endpoints for three consumer-facing applications across sports, creator linking, and recommendations.

  • Integrated 10+ external third-party APIs (Stripe payments, Twilio SMS, SendGrid, analytics).
  • Built reusable authentication and session management middleware.
FastAPI Django Third-Party APIs OAuth2
RELIABILITY & QUALITY ENGINEERING

Automated E2E Testing & CI/CD Pipeline

Architected automated Playwright end-to-end testing frameworks and CI/CD validation workflows integrated with GitHub Actions and Jenkins, cutting manual regression testing overhead by 60%.

  • Automated cross-browser UI and API regression validations on every pull request.
  • Eliminated production deployment outages and accelerated release velocity.
-60% Testing Overhead
Zero Deployment Regressions
Playwright Python GitHub Actions CI/CD Jenkins
Career Journey

Professional Experience

Track record of designing scalable REST APIs, engineering multi-tenant systems, and improving production database performance.

Software Engineer – Backend & Python Development

Adifice Technologies
2025 — Present • Full-Time
📍 Hyderabad, India
  • Contributed to the development and production delivery of 6+ client applications and products across e-commerce, sports, compliance, social, and consumer platforms: GolfNex, abiozen, Aros Compliance, Linkabl, PlayNexa, and Favly.
  • Designed and developed scalable REST APIs and backend services using Python, FastAPI, and Django, focusing on modular microservices architecture, performance, and clean maintainability.
  • Implemented secure authentication and authorization using OAuth2, JWT, refresh-token rotation, and multi-tenant RBAC supporting multiple user roles and access levels.
  • Integrated 10+ third-party services and APIs, including payment gateways, SMS/Email communication, authentication providers, and analytics pipelines.
  • Built automated Playwright E2E test suites, reducing manual QA testing effort by approximately 60%, while actively debugging and resolving production incidents across application and database layers.
  • Optimized SQL queries and backend data-access workflows, achieving up to 50% improvement in query performance and contributing to 40% faster API response times.
  • Collaborated seamlessly across the entire SDLC: requirements analysis, API specification, database normalization, testing, containerized deployment, and live production support.
Shipped Client Applications:
GolfNex (Google Play) abiozen.com aroscompliance.com Linkabl PlayNexa Favly
Technical Mastery

Skills & Capabilities Matrix

Technologies, frameworks, and architectural paradigms I use daily to build robust, scalable distributed systems.

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Languages & Core

Python Java SQL JavaScript C Object-Oriented Programming (OOP) System Design Data Structures
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Backend & Microservices

FastAPI Django REST Framework Spring Boot RESTful APIs OAuth2 & JWT Multi-Tenant RBAC Microservices Architecture Distributed Systems
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Cloud & DevOps

AWS (EC2, S3, Lambda, RDS, IAM) Docker Containerization Linux Systems CI/CD (GitHub Actions) Jenkins Pipelines Git Version Control
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Databases & Analytics

MySQL SQL Server Oracle PL/SQL Query Optimization & Indexing ETL Pipelines Data Warehousing Pandas Data Analysis Metabase Analytics
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Testing & Reliability

Playwright Automated E2E Unit Testing (pytest, JUnit) Integration Testing API Stress & Benchmark Testing Root Cause Debugging
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API Ecosystem & Integrations

Payment Gateways Google OAuth SMS & Email Webhooks Analytics APIs Third-Party SaaS Integrations (10+)
Credentials

Education & Certifications

Academic excellence in Computer Science and specialized certifications in Cloud & System Architecture.

ACADEMIC DEGREE

Bachelor of Technology (B.Tech) in Computer Science & Engineering

Rajiv Gandhi University of Knowledge Technologies (RGUKT), RK Valley
2022 — 2026 • Full-Time
🏆 CGPA: 8.84 / 10.0

Coursework: Distributed Systems, Operating Systems, Database Management Systems, System Design, Object-Oriented Analysis & Design, Compiler Design, Cloud Computing.

PROFESSIONAL CERTIFICATIONS
  • ☁️ AWS Fundamentals Certification
    Completed EC2, S3, Lambda, RDS, IAM modules with hands-on enterprise cloud architecture and production deployment.
  • ☕ NPTEL Object-Oriented System Design Elite + Silver
    Applied SOLID principles, GoF design patterns, and UML diagrams for enterprise system architecture using Java.
  • 🧠 NPTEL Deep Learning Certification Elite
    Mastered CNNs, RNNs, backpropagation algorithms, optimization techniques, and neural network model design.
LET'S CONNECT

Have a challenging backend role or system to build?

I'm currently exploring full-time Backend and Full-Stack Engineering roles where I can contribute to high-scale architectures, cloud systems, and performance optimizations.

✓ Copied: vpremnath1509@gmail.com